Calcination of gypsum
United States Patent 2907668
US Patent References:
Process of producing cementitious material
- - 2067762
Manufacture of plaster of paris
- - 2460267
Process of producing cementitious material
- - 2067762
Manufacture of plaster of paris
- - 2460267
Inventors:
Nies, Brainard W.
Johnson, Elmer S.
Johnson, Elmer S.
Publication Date:
10/06/1959
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Export Citation:
Assignee:
UNITED STATES GYPSUM CO
Primary Class:
Other Classes:
23/300, 106/778
International Classes:
C01F11/46; C04B11/032; C01F11/00; C04B11/00
Foreign References:
| GB563019A | ||||
| GB695323A | ||||
| AU134846B | ||||
| CA504470A |